Camp Butler National Cemetery is a United States National Cemetery located a few miles northeast of Springfield and a few miles southwest of Riverton, a small town nearby to Springfield, in Sangamon County, Illinois. It was named for Illinois State Treasurer at the time of its establishment, William Butler. It occupies approximately , and is the site of 19,824 interments as of the end of 2005. Camp Butler National Cemetery was placed on the National Register of Historic Places in 1997.